Pyridazinium compounds and a process for their production

C - Chemistry – Metallurgy – 07 – D

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260/264.1, 260/2

C07D 403/04 (2006.01) C07D 237/10 (2006.01) C07D 295/00 (2006.01)

Patent

CA 1060442

ABSTRACT OF THE DISCLOSURE The present invention relates to new pyridazinium compounds of the general formula (I): (I) Image where R1 is hydrogen, R2 denotes -NH2, R3 is hydrogen, R4 denotes the radical -SR6, R6 being an alkyl of 1 to 12 carbon atoms or the radical Image , the individual radicals R11 being identical or different and denoting hydrogen,alkyl of 1 to 6 carbon atoms, or both radicals R11, together with the nitrogen atom, denoting a pyrrolidine, piperidine or morpholine ring, R5 is phenyl or a lower alkyl, particularly methyl or trifluoromethyl, and ye is an anion of a pharmaceutically acceptable strong inorganic or organic acid; and their production. These compounds have valuable pharmacological properties.

272964

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